HDD losing interrupts.

http://forums.fedoraforum.org –
Hi all,
My bootup time has all of a sudden become laboriously slow, a quick check in /var/log/messages shows hundreds of
Code:
kernel: ata7: lost interrupt (Status 0x50)
This happens also as I am using the system constantly. Is this a common problem?
Thanks ahead for any help, it is appreciated!
(HowTos)

Stories similar to HDD losing interrupts.

I've read the answer here: Trigger Kernel Interrupt Handler: How? and it's a good one, but not quite what I need.

I'm microbenchmarking the RNG functions in regards to processing interrupts, so I need a good way to artificially and repeatably generate interrupts. For example, I could redirect something into a Procfs interface that generates 300 interrupts or something like that.